64873500896 has 48 divisors (see below), whose sum is σ = 142350158160. Its totient is φ = 28921927680.

The previous prime is 64873500893. The next prime is 64873500899. The reversal of 64873500896 is 69800537846.

It is an interprime number because it is at equal distance from previous prime (64873500893) and next prime (64873500899).

It is a super-2 number, since 2×64873500896² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64873500893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3127895 + ... + 3148566.

It is an arithmetic number, because the mean of its divisors is an integer number (2965628295).

Almost surely, 2^64873500896 is an apocalyptic number.

It is an amenable number.

64873500896 is an abundant number, since it is smaller than the sum of its proper divisors (77476657264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64873500896 is a wasteful number, since it uses less digits than its factorization.

64873500896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6276507 (or 6276499 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 56.

The spelling of 64873500896 in words is "sixty-four billion, eight hundred seventy-three million, five hundred thousand, eight hundred ninety-six".